Unique Bargains Shaft Coupling 3mm to 4mm Bore L20xD12 Robot Motor Wheel Rigid Flexible Coupler Connector Red 2 Pcs

Specification:
8 pcs screws design
Thread Size: M4
Color: Red
Material: Aluminum Alloy
Connection Diameter: 3mm to 4mm
Total Length: 20mm /0.78 inch
Outside Diameter : 12mm/ 0.47 inch
Through Angle: 180 Degree

Package List:
2 Pcs x Rigid Shaft Coupler
8 Pcs x M4 Screws

Description:
Made from aluminum alloy material to reduce inertia
Rigid coupling,high torque with rigidity,low inertia and excellent sensitivity
No rotation gap, elastic action can make up for symmetrical angular misalignment, Maintenance-free, oil proof and corrosion resistance
Suitable for model car, model boat, hardware, mechanical drive situations etc

Note:
Please allow 1-3mm differs due to manual measurement
Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding